The Canadian dollar sank against the U.S. dollar early Monday, hitting a new 11-year low as investors capitulated amid a broad selloff in global markets.
These 80 species fall into two groups: baleen and toothed. A type of baleen whale, humpback whales reach up to 50 feet long. Talia Romito and Sophie Webb/Courtesy of NOAA. Called mysticetesâa word derived from the Greek for âmustacheâ and âwhalesââbaleen whales are toothless.
Most whales migrate to eat and breed. For example, baleen whales feed mostly on krill, which is abundant in very cold waters. However, these cold waters are not a suitable environment in which to give birth â newborn calves are born without a protective blubber layer under their skin and would quickly freeze to death.or example, baleen whales feed mostly on krill, which is abundant in very cold waters. However, these cold waters are not a suitable environment in which to give birth â newborn calves are born without a protective blubber layer under their skin and would quickly freeze to death.